Fareston

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What is the most important information I should know about toremifene (Fareston)?

Do not use toremifene if you are pregnant. It could harm the unborn baby.

You should not use toremifene if you are allergic to it, or if you have a history of Long QT syndrome, or an uncontrolled electrolyte imbalance (low levels of potassium or magnesium in your blood).

Before you take toremifene, tell your doctor if you have endometrial hyperplasia (overgrowth of cells lining the uterus), bone cancer, or if you have ever had a blood clot.

Taking toremifene may increase your risk of developing endometrial hyperplasia, a condition that may lead to cancer of the uterus. Talk to your doctor about your individual risk.

Stop using toremifene and call your doctor at once if you have symptoms of a serious heart rhythm disorder (severe dizziness, fainting, fast or pounding heartbeats) or signs of high levels of calcium in your blood (nausea, vomiting, stomach pain, loss of appetite, constipation, increased thirst or urination, muscle pain or weakness, joint pain, confusion, and feeling tired or restless).